Seiberg, 1993, Phys. Lett. B, 318, 469, 10.1016/0370-2693(93)91541-T
Seiberg, 1994, Phys. Rev. D, 49, 6857, 10.1103/PhysRevD.49.6857
K. Intriligator, R. Leigh and N. Seiberg, hep-th/9403198, RU-94-26, Phys. Rev. in press.
V. Kaplunovsky and J. Louis, hep-th/9402005.
Shifman, 1986, Nucl. Phys. B, 277, 456, 10.1016/0550-3213(86)90451-7
Shifman, 1991, Nucl. Phys. B, 359, 571, 10.1016/0550-3213(91)90072-6
Amati, 1988, Phys. Rep., 162, 169, 10.1016/0370-1573(88)90182-2
N. Seiberg and E. Witten, to appear.
Witten, 1988, Commun. Math. Phys., 117, 353, 10.1007/BF01223371
E. Witten, IASSNS-HEP-94-5, hep-th/9403195.
Prasad, 1975, Phys. Rev. Lett., 35, 760, 10.1103/PhysRevLett.35.760
Bogomol'nyi, 1976, Sov. J. Nucl. Phys., 24, 449
Witten, 1978, Phys. Lett. B, 78, 97, 10.1016/0370-2693(78)90357-X
Montonen, 1977, Phys. Lett. B, 72, 117, 10.1016/0370-2693(77)90076-4
Goddard, 1977, Nucl. Phys. B, 125, 1, 10.1016/0550-3213(77)90221-8
Osborn, 1979, Phys. Lett. B, 83, 321, 10.1016/0370-2693(79)91118-3
Cardy, 1982, Nucl. Phys. B, 205, 1, 10.1016/0550-3213(82)90463-1
Cardy, 1982, Nucl. Phys., B205, 17, 10.1016/0550-3213(82)90464-3
Shapere, 1989, Nucl. Phys. B, 320, 669, 10.1016/0550-3213(89)90016-3
Font, 1990, Phys. Lett. B, 249, 35, 10.1016/0370-2693(90)90523-9
A. Sen, TIFR-TH-94-08, hep-th/9402002.
L. Girardello, A. Giveon, M. Porrati and A. Zaffaroni, NYU-TH-94/06/02, IFUM/472/FT, SISSA 80/94/EP, RI-6-94, hep-th/9406128.
C. Vafa and E. Witten, to appear.
Seiberg, 1988, Phys. Lett. B, 206, 75, 10.1016/0370-2693(88)91265-8
De Wit, 1984, Nucl. Phys. B, 245, 89, 10.1016/0550-3213(84)90425-5
Ferrara, 1991, Mod. Phys. Lett., A6, 2175, 10.1142/S0217732391002372
Strominger, 1990, Commun. Math. Phys., 133, 163, 10.1007/BF02096559
Candelas, 1991, Nucl. Phys. B, 355, 455, 10.1016/0550-3213(91)90122-E
Cecotti, 1992, Nucl. Phys. B, 386, 405, 10.1016/0550-3213(92)90572-S
Cecotti, 1993, Commun. Math. Phys., 158, 569, 10.1007/BF02096804
For a review, see A. Giveon, M. Porrati and E. Rabinovici, RI-1-94, hep-th/9401139.
Witten, 1979, Phys. Lett. B, 86, 283, 10.1016/0370-2693(79)90838-4
Witten, 1982, Nucl. Phys. B, 202, 253, 10.1016/0550-3213(82)90071-2